Home / 70,011.47-96,612.03-39,792.60

Finding the Fourth Proportional to 70,011.47, 96,612.03 and 39,792.60

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Solution

The fourth proportional to 70,011.47, 96,612.03 and 39,792.60 is: 54,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.47 : 96,612.03 = 39,792.60 : x
  2. Step 2: Convert to fraction form
    70,011.47/96,612.03 = 39,792.60/x
  3. Step 3: Cross multiply
    70,011.47x = 96,612.03 × 39,792.60
  4. Step 4: Simplify right side
    70,011.47x = 3,844,443,864.98
  5. Step 5: Solve for x
    x = 3,844,443,864.98/70,011.47
  6. Step 6: Final answer
    x = 54,911.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.